需求量变动 meaning in Chinese

change in quantity demanded
change in quantity supplied

Change in quantity demanded or in demand
需求量变动还是需求变动
The result shows that the price elasticity of energy demand increases since 1993 , but the increases in gdp and in wage are the main factors which affect the change of the quantity of energy demand in the midst of 1990s
结果表明： 1993年以且能源需求量的价格弹性增加，但是gdp增长和工资变动是影响90年代中期能源需求量变动的主要因素。